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[Increase in the alveolar concentration of CO 2 as a function of the inhomogeneity of distribution of ventilation and of the ventilation-perfusion ratio in normal subjects and in chronic obstructive pneumopathies]
[Increase in the alveolar concentration of CO 2 as a function of the inhomogeneity of distribution of ventilation and of the ventilation-perfusion ratio in normal subjects and in chronic obstructive pneumopathies]